postdates

Causal factors of macrosomia include maternal diabetes, postdates gestation, and obesity.

巨大儿的好发因素包括母亲糖尿病，过期妊娠及肥胖。

Variable decelerations representing cord compression are frequently seen in postdates pregnancies.

过期妊娠常因脐带受压出现变异减速。

Pregnancy is considered prolonged or postdates when it exceeds 294 days or 42 weeks from the first day of the last menstrual period (LMP).

从末次月经第一日计算，停经时间超过294天，即42周时被认为妊娠延长或过期。

A. The accurate diagnosis of postdates pregnancy can be made only by proper dating.

过期妊娠通过正确核算孕周可做出确切诊断。

Macrosomia should be suspected in all postdates gestations.

过期妊娠需排外巨大儿的发生。

Fetal weight should be estimated prior to labor in all postdates pregnancies.

在产程开始之前估计胎儿体重。

About 10% of those pregnancies are postdates.

这类妊娠中约10%是过期妊娠。